I'm so sorry if most of these (or all of these) are already in there, just wanted to show wut awesome games i've played so far:
Ragnarok Online (there are many versions) - pay to play - adventure mmorpg
Combat Arms - free to play - online fps -
http://combatarms.nexon.net/Intro.aspx
Deco Online - free to play - adventure mmorpg -
http://www.joymax.com/deco/
Gunbound - free to play - strategy mmorpg -
http://gunbound.softnyx.net/
Grand Chase - free to play w/cash shop - adventure mmorpg -
http://grandchase.ntreev.net/
Trickster - free to play - adventure mmorpg -
http://trickster.ntreev.net/
I can't remember the rest but i'll edit once i remember them. Best of luck
-Meee